نتایج جستجو برای: oil biodegradation
تعداد نتایج: 145853 فیلتر نتایج به سال:
Background and Objective: Petroleum compounds are major contributors to aquatic environmental pollution. In recent years, biological treatments as environmental-friendly and cost-effective techniques have been used alongside the various physico-chemical methods. Microbial cell immobilization in hydrogel carriers has been the focus of researchers due to various advantages such as ease of microbi...
Inorganic elements in crude oil have been used the reconstruction of sedimentary environment and oil–oil (source) correlations; however, effect biodegradation on these has not investigated sufficiently. In this study, 14 oils from Miaoxi Sag Bohai Bay Basin, eastern China, were analyzed using molecular markers, trace elements, major to determine inorganic elements. The markers indicated that ar...
This study presents the proof-of-concept of the "Oil-Spill Snorkel": a novel bioelectrochemical approach to stimulate the oxidative biodegradation of petroleum hydrocarbons in sediments. The "Oil-Spill Snorkel" consists of a single conductive material (the snorkel) positioned suitably to create an electrochemical connection between the anoxic zone (the contaminated sediment) and the oxic zone (...
The purpose of present study was the simulation of an oil spill accompanied by burial of significant amount of petroleum hydrocarbons (PHs) in coastal sediments. Approximately 1000 kg of sediments collected in Messina harbor were spiked with Bunker C furnace fuel oil (6500 ppm). The rapid consumption of oxygen by aerobic heterotrophs created highly reduced conditions in the sediments with subse...
Bacterial community structures were evaluated in oil samples using culture-independent pyrosequencing, including oil mousses collected on sea surface and salt marshes during the Deepwater Horizon oil spill, and oil deposited in sediments adjacent to the wellhead 1 year after the spill. Phylogenetic analysis suggested that Erythrobacter, Rhodovulum, Stappia, and Thalassospira of Alphaproteobacte...
The microbial ecology of any biodegradation system is the fundamental factor that controls both the effectiveness of the ongoing biodegradation process and also the ability of the biodegrading population to maintain stability at times of environmental stress. Studies are reported here which provide both initial information on the ecology of an oil degrading porous pavement system (PPS) and sign...
A potential degrader of paraffinic and aromatic hydrocarbons was isolated from oil-contaminated soil from steel plant effluent area in Burnpur, India. The strain was investigated for degradation of waste lubricants (waste engine oil and waste transformer oil) that often contain EPA (Environmental Protection Agency, USA) classified priority pollutants and was identified as Ochrobactrum sp. C1 by...
Abstract The origin, migration pathways, as well the influence of secondary processes oil and natural gas accumulated in lower Cretaceous to Miocene strata western part Polish Outer Carpathians (between Kraków Pilzno towns) based on results organic geochemical analyses are investigated this paper. Oil thermogenic hydrocarbon gases were generated mainly from type II kerogen, III kerogen mixed va...
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